            function post()
            {
                  var username=$('#username').val();
                  var password=$('#password').val();
                  alert(username);
                  alert(password);

                 $.post('validate.php',{postname:username,pass:password},
                    function(data)
                    {
                        if(data=="0")
                        {
                            $('#result').html("The email or password you entered is incorrect.");
                            
                        }
                        else
                        {
                            window.location.href="main.php";
                        }



                    });
            }
            

    